The PowerSafe gauges combine their patented DirectDigital™ O² sensor control technology with application specific sensors, an OLED display, and a smart safety override circuit for your high performance vehicle. Their PowerSafe technology can disable your factory or aftermarket boost control solenoid forcing the system to spring pressure. In nitrous applications, their PowerSafe technology will disable your nitrous solenoid to keep your engine safe. The PowerSafe gauges offer the looks, safety and performance enthusiasts demand!